If you already loved the Altra Paradigm, the 4.0 version will not disappoint, you're in for a treat with this one! This new version is completely revamped and updated with a knit upper for durability, integrated StabiliPods for support, and an Altra EGO midsole for resilience and bounce. The revamped, knit upper and Altra Ego midsole along with the GuideRail and a full rubber outsole mean this shoe is both comfortable and ready to perform from 1 mile to 100.

Womens Road shoes

FOOTSHAPE™ TOE BOX

Allows your toes to relax and spread out naturally for more comfort and stability in uphill climbs and downhill descents

ZERO DROP™ PLATFORM

Places your heel and forefoot the same distance from the ground to encourage proper, low-impact form throughout your trail run.

INNERFLEX™

Grid-like grooves in the midsole allow your foot to flex while being lighter, for more speed and better performance.

FOOTPOD™ TECHNOLOGY

An outsole technology that actually maps the bones and tendons of your foot to help it bend and move naturally.